4.5 Hazardous areas
When the Rosemount 5300 Level Transmitter is installed in a hazardous area, local
regulations and specifications in applicable certificates must be observed.
4.6 4-20 mA/HART
®
communication
4.6.1 Power requirements
Terminals in the transmitter housing provide connections for signal cables. The
Rosemount 5300 Level Transmitter is loop-powered and operates with the following
power supplies:
Table 4-1: External Power Supply for HART
Approval type Input voltage (U
i
)
(1)
None 16 - 42.4 Vdc
Non-sparking/Energy Limited 16 - 42.4 Vdc
Intrinsically Safe 16 - 30 Vdc
Explosion-proof/Flameproof 20 - 42.4 Vdc
(1) Reverse polarity protection.
Figure 4-3: External Power Supply for HART
R = Load Resistance (Ω)
U
E
= External Power Supply Voltage (Vdc)
U
i
= Input Voltage (Vdc)
Electrical installation Reference Manual
April 2019 00809-0100-4530
96 Rosemount 5300 Level Transmitter